Billing Collections Specialist

Unisource Solutions, Inc. in Pico Rivera, CA is seeking an Accounting Specialist (Billing & Collections) to support daily accounting operations with a focus on billing, accounts receivable, collections, and customer account management. This role ensures timely invoicing, cash application, and strong cash flow adherence. You will collaborate with sales, operations, and management to resolve issues, reduce DSO, and assist with month-end closing.